选择下拉式-selenium -python中的一个元素

from selenium.webdriver.support.ui import Select

select = Select(driver.find_element_by_id("dropdown_id"))
select.select_by_visible_text("选项文本")

from selenium.webdriver.support.ui import Select

select = Select(driver.find_element_by_id("dropdown_id"))
select.select_by_value("选项值")

from selenium.webdriver.support.ui import Select

select = Select(driver.find_element_by_id("dropdown_id"))
select.select_by_index(0)